Tom used twenty gallons of water to water his plants for x days. After x
days, he used an additional forty
gallons of water for a day on his pants.
Write an expression that shows how
the total gallons of water Tom used on
his plants.

y=20x+40

Step-by-step explanation:

y represents how many gallons of water he used

x represents the amount of days

(example) if he watered his plants for 2 days:

y=20(2)+40

y=40+40

y=80

if he watered his plants for 2 days he would have used 80 gallons of water.

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step-by-step explanation:

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